Mathematics, 27.01.2021 03:00 janessa0804
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to X form the first equation is substituted into the second equation.
-x+5y=1
2x+4y=-4
a. 2(5y-1)+4y=-4
b. 2(-5y+1)+4y=-4
c. 2x+4(-5y+1)=-4
d. 2x+4(5y-1)=-4
Answers: 3
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